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Table 2 Factors associated with protozoan infections among the asymptomatic population 1 in Laghouat province

From: Prevalence and risk factors of intestinal protozoan infection among symptomatic and asymptomatic populations in rural and urban areas of southern Algeria

Factor

Level

N

Prevalence

CL95

OR

z

P

Sex

Male

985

14.6

11.76–17.96

1

  

Female

669

15.2

12.85–17.96

1.051

0.352

0.375

  

(χ21 = 0.12, P = 0.730)

    

Area

Urban

949

12.5

9.94–15.6

1

  
 

Rural

705

18

15.33–21.02

1.533

3.08

0.00

  

(χ21 = 9.48, P = 0.002)

  

Water

Bottled

827

13.1

10.60–15.97

1

  
 

Tap

827

16.7

13.91–19.86

1.333

2.069

0.047

  

(χ21 = 4.31, P = 0.038)

  

Animal

No

1305

10.4

8.76–12.08

1

  

Yes

349

31.5

26.46–37.03

3.956

9.383

< 0.0001

 

(χ21 = 83.65, P < 0.001)

  

Season

Spring

497

14.7

10.33–20.28

1.115

0.522

0.348

Summer

368

16.3

12.36–21.08

1.262

1.067

0.226

Autumn

475

14.9

10.68–20.43

1.138

0.617

0.33

Winter

314

13.4

10.09–17.50

1

  
  

(χ23 = 1.17, P = 0.76)

   

Year

2015

345

13.3

9.91–17.67

1

  

2016

590

14.2

12.03–16.73

1.079

0.385

0.37

2017

393

17.3

13.08–22.42

1.36

1.485

0.132

2018

326

14.7

11.21–19.04

1.122

0.519

0.349

 

(χ23 = 2.62, P = 0.45)

   
  1. The statistical outputs that are significant are emphasized in bold
  2. OR Odds ratio, CL95 95% confidence interval